![Argentina's Juan Martin Del Potro reacts as he plays Switzerland's Roger Federer in a Men's singles match against at the Australian Open Tennis Championship in Melbourne, Australia, Tuesday, Jan. 27, 2009. (AP Argentina's Juan Martin Del Potro reacts as he plays Switzerland's Roger Federer in a Men's singles match against at the Australian Open Tennis Championship in Melbourne, Australia, Tuesday, Jan. 27, 2009. (AP](https://c8.alamy.com/comp/2P97BJ5/argentinas-juan-martin-del-potro-reacts-as-he-plays-switzerlands-roger-federer-in-a-mens-singles-match-against-at-the-australian-open-tennis-championship-in-melbourne-australia-tuesday-jan-27-2009-ap-photodita-alangkara-2P97BJ5.jpg)
Argentina's Juan Martin Del Potro reacts as he plays Switzerland's Roger Federer in a Men's singles match against at the Australian Open Tennis Championship in Melbourne, Australia, Tuesday, Jan. 27, 2009. (AP
![I Knew Roger Federer Was Tired" - Juan Martin Del Potro Recalls US Open 2009 Victory - EssentiallySports I Knew Roger Federer Was Tired" - Juan Martin Del Potro Recalls US Open 2009 Victory - EssentiallySports](http://www.essentiallysports.com/wp-content/uploads/us-open-victory-over-roger-federer-still-makes-juan-martin-del-potro-nervous.jpg)
I Knew Roger Federer Was Tired" - Juan Martin Del Potro Recalls US Open 2009 Victory - EssentiallySports
![When Roger Federer thrashed Juan Martin Del Potro in the QFs of the 2009 Australian Open a day after learning that him and his wife were expecting twins When Roger Federer thrashed Juan Martin Del Potro in the QFs of the 2009 Australian Open a day after learning that him and his wife were expecting twins](https://staticg.sportskeeda.com/editor/2022/09/98e9a-16637550704162-1920.jpg)
When Roger Federer thrashed Juan Martin Del Potro in the QFs of the 2009 Australian Open a day after learning that him and his wife were expecting twins
![Don't f*****g tell me the rules" When Roger Federer lost his cool in the 2009 US Open finals and accused the chair umpire of bias toward Juan Martin del Potro Don't f*****g tell me the rules" When Roger Federer lost his cool in the 2009 US Open finals and accused the chair umpire of bias toward Juan Martin del Potro](https://firstsportz.com/wp-content/uploads/2022/07/Roger-Federer-4.jpg)
Don't f*****g tell me the rules" When Roger Federer lost his cool in the 2009 US Open finals and accused the chair umpire of bias toward Juan Martin del Potro
![Switzerland's Roger Federer, reacts after winning over Argentina's Juan Martin Del Potro in a Men's singles match against at the Australian Open Tennis Championship in Melbourne, Australia, Tuesday, Jan. 27, 2009. (AP Switzerland's Roger Federer, reacts after winning over Argentina's Juan Martin Del Potro in a Men's singles match against at the Australian Open Tennis Championship in Melbourne, Australia, Tuesday, Jan. 27, 2009. (AP](https://c8.alamy.com/comp/2P97BHJ/switzerlands-roger-federer-reacts-after-winning-over-argentinas-juan-martin-del-potro-in-a-mens-singles-match-against-at-the-australian-open-tennis-championship-in-melbourne-australia-tuesday-jan-27-2009-ap-photoandrew-brownbill-2P97BHJ.jpg)